Lin Feng, the world table tennis king who ruled the world for twelve years, was betrayed by his close relatives and suffered a humiliating defeat before being banned for life. After swearing never to touch his ping pong racket again, Lin Feng went incognito and became a math teacher at a rural village school called Bailong Elementary School. After seeing the provincial team recruiting youth training members, Zhang Yulan, the principal of Bailong Elementary School, thought of several talented children in her school. For the sake of their future, Zhang Yulan went to great lengths to apply for a subsidy. Unexpectedly, this money was taken advantage of by a key elementary school in the city. The physical education teachers at the key elementary school used their power to bully others, mocking the toad at Bailong Elementary School for wanting to eat swan meat and the poor for wanting to play table tennis. In order to retrieve this money and for the honor of Bailong Elementary School, Zhang Yulan overestimated herself and launched a table tennis battle against Jingxiu Elementary School, a strong school in table tennis. This game, like hitting a stone with an egg, put Bailong Elementary School in an absolute passive position. In a desperate situation, Lin Feng, who vowed never to touch ping pong again, was completely touched by the children and finally stood on the table again, declaring his return as the king with absolute strength